名词
中文翻译：胎盘
同义词：
['placenta', 'amniotic sac', 'chorion例句：1. The chorio-allantoic membrane is a thin layer of tissue that separates the fetus from the placenta.（绒毛膜是一层薄组织，将胎儿与胎盘分隔开。）2. During pregnancy', "the chorio-allantoic membrane acts as a barrier to prevent harmful substances from entering the mother's bloodstream.（怀孕期间，绒毛膜起到屏障作用，防止有害物质进入母亲的血液。）"]
例句：
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1. The chorio-allantoic membrane is a thin layer of tissue that separates the fetus from the placenta.
绒毛膜是一层薄组织，将胎儿与胎盘分隔开。
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2. During pregnancy, the chorio-allantoic membrane acts as a barrier to prevent harmful substances from entering the mother's bloodstream.
怀孕期间，绒毛膜起到屏障作用，防止有害物质进入母亲的血液。
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3. The chorio-allantoic membrane is responsible for producing hormones that regulate fetalgrowth and development.
绒毛膜负责产生激素，调节胎儿的生长和发育。